This forgotten chalk mine was reopened thanks to a massive effort from the local community.

Grotto replete with mystical designs laid out in glued shell mosaics.

Europe's "only museum dedicated to the decapod" is full of quirky and absurdist displays, including one featuring the "famous" Giant Crab of Margate.

This abandoned office building is a lasting example of Soviet-era architecture.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

A fountain standing as a testament to a doomed alliance.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A tiny park in the middle of some big power politics.

Ancient serpentine sacrifice holder that has stood the test of time.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Giant, friendly pelicans in Central London, the most unlikely of places.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

Pop culture has helped to keep this iconic British building from being destroyed.

This huge coastal nature reserve in Wales was a stand-in for the Arabian Peninsula in 'Lawrence of Arabia.'