Rocky Atlantic beach home to a stunning stone arch.

This record setting conveyor belt system can even be seen from space.

One of the final concrete ships built before World War II is now a crumbling breakwater.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

The only presidential monument to display a late POTUS's actual casket.

This moving cemetery sphere is a slowly rolling stone.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

Natural rock formations resembling monks in hats inspire folk legends.

Landbridge created by the South Korean version of Moses.

The Uros people live on floating reed islands in lake Titicaca.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

A suspended garden, now gone, once hung in the middle of this abandoned church.

An abandoned relic of the city's failed experiment with below ground transit.

Decommissioned NYC subway cars are dumped into the ocean to create this underwater wildlife habitat.

This series of underground chambers contains Europe's largest subterranean lake that is slowly drained each day.

A marvel of Byzantine engineering under the streets of Istanbul.

The world's largest drain sits below the city of Kasukabe, Japan.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

One of Japan's most famous sights, the bridge was originally built in 1673.

Stunning examples of Russia's 18th-century wooden architecture.

Bioluminescent firefly squid light up this Japanese fishing port.

The world's brightest bioluminescent bay.

This landlocked lake is the world's largest on an island.