A meow-velous tribute to a beloved street cat, made famous on the internet.

The statue honors an adventurous seafaring cat.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

This "City of Books" holds a museum, library, and the complete personal book collections of five of Mexico's greatest thinkers.

Every color in the rainbow awaits.

This belfry is all that remains of the town that was buried by a violent volcano eruption.

The original "capsule building" is a masterpiece of Metabolist architecture.

The freshest fish here are the ones you catch yourself.

A man-made island designed to look like a massive battleship.

Not quite the menace it once was, this monster still has some chops.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

The ruins on a deserted tropical island in the Philippines bear the scars of WWII.

This eerie abandoned building with a dark history is said to be one of the most haunted places in the Philippines.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

The final resting place for the remains of 143 Habsburg royalty.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

A small statue of child Jesus given by Magellan in 1521

Some locals believe the fabled lost gold of General Yamashida is hiding somewhere beneath the city.

A cemetery and the town it served sinks beneath the sea during the volcanic birth of Mt. Vulcan.