A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

This historic franken-chapel is the oldest wooden church in the world, at least part of it.

This intricately spiralling forest was created as a monumental work of art.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

Medical history with an amazing, if frighting, collection of wax diseases on display.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

A museum celebrating the Canadian forces that liberated Belgium from the Nazis replete with battlefield miniatures and multiple Gardens.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

Nightmarish example of the unintended consequences of weapons testing.

Thousands of well-dressed mummies below a monastery.

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

England's most notorious suicide spot.

A ruined castle has more than its fair share of legends and ghost stories.

A fiery crater has been burning in the Karakum Desert since 1971.

An emporium for the weird, creepy, rare, and just plain gross.

A comic book store that puts the marvel back in marvellous.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

Shrine to Japanese water-goblins, complete with their preserved body parts.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.