One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Owned by Native American women, this brewery is a celebration of indigenous culture in the American Southwest.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

The partially submerged ruins of a white marble quarry used in ancient Greece for over 1,200 years.

In this Borneo cave, it's not the thousands of bats you need to worry about, it's the blankets of roaches.

A private selection of curiosities, carefully curated by a young Brighton local.

17th-century merchants in Bristol nailed their deals by placing money on these pedestals.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

The Bristol Camera Obscura housed in an ancient windmill.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

A huge enchanting public park just outside the ancient walls of Rome.

Gods clash with machines in a power plant regenerated as a museum.

A collection of objects supposedly singed by the hands of souls in purgatory.

The underground sanctuary of a mysterious ancient cult.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

One of the largest Chinese cemeteries outside of China spent years overgrown and forgotten.

A small subculture of boat dwellers keep their traditional way of living alive at this Hong Kong Typhoon Shelter.

A pair of trees near a Hong Kong shrine are said to grant wishes, but only the ones they hold on to.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

In Bermuda, this formal naval residence has become a go-to for cliff-jumpers and hikers.