This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

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

A beautiful and moving memorial set on a little island in the middle of the river in Minsk.

A sculpture of graceful storks sits atop this fountain in Independence Square.

Part home garden, part sculpture field, part pseudo-science experiment, a trip to this place will leave you wondering if sea water isn't actually the elixir of life.

Take the most scenic fjord landscape in Norway and add dramatic red cliffs, warm clear water, and playful dolphins.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Ruins of a German Castle on top of a towering stone pillar.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

A huge, bustling local market in Panama City.

This collection of historical artifacts and tropical wildlife waits just beneath the surface of the water.

A massive underwater sinkhole made famous by Jacques Cousteau.

A lush oasis full of vibrant plants and striking geometric displays.

This abandoned five-star hotel is now a five-star urban exploration destination.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

The first hospital in the New World.

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

Standing in this historic plaza is a statue representing one of Cuba's most iconic literary characters.