Bali's remote "gateway to heaven" is one of the most sacred places on the island.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

A hub of information on tropical diseases and their treatments.

After being bombed and largely abandoned, this former railway workshop has been transformed into a lively market space.

This Bangkok high-rise looks like a rudimentary LEGO elephant.

Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

New Zealand's epic shrine to all things puzzling.

An abandoned jewel of a ballroom on the top floor of Australia’s busiest rail station echoes with the sounds of a bygone era.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The first hospital in the New World.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

A bright little alley in La Boca is a part of tango history.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

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

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A marvel of Byzantine engineering under the streets of Istanbul.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.