An island graveyard with spectacular views of the Caribbean.

This 14th-century monastery survived Turkish raids, Nazi occupation, and even a stint as a spot to store towels.

This World War II-era bunker is now packed with posters and props from movies and TV shows filmed nearby.

Twice a year, this floating library delivers thousands of books to the remote islands of Stockholm’s archipelago.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

Tucked away in a downtown Stockholm park are the remains of a World War II defense position.

An IT-specialist-turned-farmer reintroduces an Austrian food tradition while promoting snails as a sustainable "future food" option.

This colorful statue welcomes visitors to a Barcelona park.

A sprawling cave network created by a lone lava tube.

The cluster of igloo-like domes forms the remains of an ancient burial ground.

A mesmerizing wonderland of salt-encrusted tree branches and pencil roots.

This general store is a one-stop-shop for workers at the Prudhoe Bay oil field.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

A small island that was once a key Axis fortification during World War II.

Two innocuous monuments found in separate locations attempt to unite a city.

This former Nazi labor camp is now a poignant memorial, complete with giant Soviet-style monuments.

This sculpture honors a long-beloved English comic strip in the main character's hometown.

This secluded date farm can be reached only by following a bumpy, single-lane desert road.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

The official peace statue of the Commonwealth of Massachusetts.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

The stoic structure boasts a whimsical set of stained glass art commemorating Lewis Carroll.

Locals often dress this effigy of Traverse City's founder in festive outfits.

A 300-kilogram egg sculpture that embodied a neighborhood revival.