An abandoned, desolate train tunnel that was used during World War II.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

This once-derelict building is now one of the most beautiful bookstores in the world.

A small town Romanian cemetery filled with darkly humorous gravestones.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

The remains of Crystal Palace Great Exhibition of 1851.

An incarceration museum on the spot of possibly the oldest prison in England.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

A floating cat sanctuary on an Amsterdam canal.

Cat art as far as the eye can see.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

One of the most remarkable caves in all of Iceland was created by a once raging river of lava.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

This museum dedicated to divination also honors a local 10th-century prophetess.

A modern artist's primitive stone faces and unique rock instrument join Iceland's terrain with its history.

This rusting remnant of the local herring industry is being given a second life.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

Three columns of volcanic rock shoot out of the ocean.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.