He visited the ruins of Babylon and the subterranean secret of Memphis and spent ten years alone in the great southern desert of Arabia — the Roba El Khaliyeh or " Empty Space " of the ancients — and " Dahna " or " Crimson " desert of the modern Arabs, which is held to be inhabited by protective evil spirits and monsters of death.

Since Fire Temple was at least partially built to conform to the dimensions of the cliff alcove in which it was built, it is neither round in form nor truly subterranean like other structures defined as kivas

In Asimov's Empire and Foundation series, the capital planet Trantor of the galactic empire is a completely built-up planet, covered in its entirety with tall buildings and subterranean structures.

Its story of a subterranean race waiting to reclaim the surface of the Earth is an early science fiction theme.

The main temple to Enki is called E-abzu, meaning " abzu temple " ( also E-en-gur-a, meaning " house of the subterranean waters ""), a ziggurat temple surrounded by Euphratean marshlands near the ancient Persian Gulf coastline at Eridu.

The idea of a subterranean realm is also mentioned in the Vedic texts such as the Puranas, according to one story in the Puranas there is an ancient city called Shamballa which is located inside the earth, the belief in Shamballa as a city inside the earth is also found in Tibetan Buddhism.

The concept of a subterranean land inside the earth is popular in mythology, folklore and legends in ancient times.

In Mesopotamian religion there is a story of a man who, after traveling through the darkness of a tunnel in the mountain of " Mashu ", entered a subterranean garden.

There is an Irish myth which says tunnels in County Down, Northern Ireland lead to the land of the subterranean Tuatha de Danaan, a group of people who are believed to have introduced Druidism to Ireland, and then went back underground.

It is the belief of the natives of the Malinowski's Trobriand Islands that their ancestors had come from a subterranean land through a cavern hole called " Obukula ".

In Native American mythology, it is said that the ancestors of the Mandan people in ancient times emerged from a subterranean land through a cave at the north side of the Missouri River.

It is also the belief of the tribes of Iroquois that their ancient ancestors emerged from a subterranean world inside the earth.

The spiritualist writer Walburga, Lady Paget in her book Colloquies with an unseen friend ( 1907 ) was an early writer to mention the hollow earth theory, she claimed that cities exist beneath a desert, which is where the descendants of Atlantis moved to, she further claimed that an entrance will be discovered to this subterranean kingdom in the 21st century.

This is allowed to fall down a shaft into a subterranean, high-roofed chamber where the now-compressed air separates from the water and becomes trapped.

There is an extensive subterranean complex located down the manhole, including a sewage system.

In many areas within the Namib Desert, there is little vegetation with the exception of lichens found in the gravel plains, and in dry river beds where plants can access subterranean water.

Similar subterranean pithoi were used in ancient times for burials and Pluto is fused with Hades, the King of the realm of the dead.

* January – The subterranean Sarawak Chamber is discovered in Borneo.

The heat may even be sufficient to maintain a " subterranean ocean " similar to that which is hypothesized to exist underneath the surface of Europa.

The largest drow civilization is the subterranean city of Llurth Dreier ( population 400, 000 ).

The center of drow civilization is the subterranean city Erelhei-Cinlu, and its surrounding Vault, commonly called the Vault of the Drow.

In recent decades, the remaining sixth of the old waterway system has been renovated, and it is possible to take several guided subterranean boat trips through it.

The catenary is also called the " alysoid ", " chainette ", or, particularly in the material sciences, " funicular ".

In a funicular or cable railway a railroad car is pulled up a steep inclined plane using cables.

A funicular, also known as an inclined plane or cliff railway, is a cable railway in which a cable attached to a pair of tram-like vehicles on rails moves them up and down a steep slope ; the ascending and descending vehicles counterbalance each other.

The basic idea of funicular operation is that two cars are always attached to each other by a cable, which runs through a pulley at the top of the slope.

The Niesenbahn in the Swiss Kandertal is the longest continuous-cable funicular in Europe.

There is an exhibition of the history of this funicular tramway at the half-way station.

Chattanooga, Tennessee is home to the Lookout Mountain Incline Railway ( built 1895 ) that travels from the base to the top of Lookout Mountain, and claims to be the steepest funicular in the world with a maximum grade of 72 percent.

The smallest funicular in the world is the Fisherman's Walk Cliff Railway in Bournemouth, England, at a length of.

The smallest funicular in Croatia is in Zagreb with a length of 66. 0 m.

The smallest funicular in Italy is the Ferata Gran Risa located in La Ila in South Tyrol, with a length of 66. 7 m.

The smallest funicular in Switzerland is located in Lucerne.

It is accessible by hiking trails which connect from the top entrance to the Sant Joan funicular, the monastery, or the base of the mountain.

This site is home to the steepest funicular railway in the world, the Katoomba Scenic Railway, which was originally built to facilitate coal and oil shale mining in the Jamison Valley.

It can be reached by the Funicular de Vallvidrera, a funicular railway that is 736 m. long and goes up for 158 m. ( from 192 m. to 350 m. in height over the sea level ).

The Turmbergbahn funicular railway, to the east of the city centre, is operated by the VBK.

A similar system of cables is used in a funicular railway.

The total length of the funicular railway track is, during which the route rises by.

The funicular railway system is normally operated from a manned control room within the Ptarmigan building but can also be operated from the Base station control room or from each railway carriage.

The white funicular train is waiting at the valley station.

North of Upper Coach Road in Shipley is Shipley Glen Tramway a narrow gauge funicular railway.

The small square at the base of the Montmartre funicular in Paris is named Place Suzanne Valadon.

The Grand Jer is accessible via the funicular railway of the Pic du Jer.

It is possible to climb to the top of the hill on foot or by taking a funicular.

The first true railway is now suggested to have been a funicular railway made at Broseley in Shropshire at some time before 1605.