The first modernist church in Europe.

The solemn exterior conceals an opulent interior of this 17th century church.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

A silly medieval mural preserved on the side of a Viennese house.

An exquisite Baroque church in Vienna's old town.

Legends surround an ancient tree trunk riddled with nails for good luck.

Baroque celebration of the end of the Great Plague of Vienna.

The topiary maze at the Habsburg hunting lodge.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

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

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

A naturally beautiful, seemingly bottomless deep blue spring.

After Christopher Columbus died, his son built a fancy house to rule from.

The oldest colonial fortress in the Americas was once the home and later prison of Christopher Columbus.

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

Built in 1512, the oldest cathedral in the Americas.

Learn the history of Dominican rum production.

The first hospital in the New World.

The final resting place of Christopher Columbus - or possibly someone else.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

This ambiguous pig shrine is actually a monument to a beloved queen.

The bank's whimsical shape was inspired by a child’s toy.