This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

A cemetery and the town it served sinks beneath the sea during the volcanic birth of Mt. Vulcan.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

A submerged archeological park still holds the wonders of a Roman Sodom.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

A marvel of Byzantine engineering under the streets of Istanbul.

Nature took her revenge on the "Wickedest City in the World."

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

A Romanesque tower appears when water levels drop.

The haunting peak of an old church is all that remains of a drowned Brazilian city.

A Netherlands hotel where you can sleep inside a wine barrel.

A luxury hotel housed in a former 15th century Gothic church.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Colorful and chaotic stacked hotel in North Holland.

Survival capsules find a second life as a unique hotel.

Live out your childhood construction fantasies in this one-of-a-kind gyrating hotel.

An eight-sided home built during a brief octagon craze in the 1850s.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A haunting, yet lovingly hand-hewn potters' field full of graves that flood with each heavy rain.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

New Orleans' famous cemetery, located on the site of a former race track.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.