The Devil’s own choice when he needs a drink in Brussels.

Lavish royal estate punctuated with heated greenhouses.

Cozy basement bar sports an inventory of over 2,000 beers.

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

A restaurant and observation deck built in a unique broadcasting antenna.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

There are two dozen tanks just sitting in an open field in Lower Saxony.

A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Neo-cave art on the macro scale.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

Former drug lord’s manor, now a theme park. Watch out for the hippos.

Cathedral carved out of salt, located a mile below the earth's surface.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

Turntable anonymously received orphans, alms, and groceries.

Mountain where Jesus was first tempted by the Devil.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.