A narrow strip of land is home to the tallest migrating dunes in Europe.

Spend the night in 1920s Latvia in this historic recreation and movie set.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

The 17th-century hacienda where Simón Bolívar spent his last days before dying from tuberculosis.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

Get a privileged view over Mexico City's Historic Center from a terrace right in its heart.

A former electrical substation is now home to an eccentric junk art masterpiece.

Theme park featuring miniature replicas of European monuments.

Strange rumors surround the artist who created these solemn metal guard dogs.

A whimsical bridge adorned with decorative dragons.

A cemetery for Slovenian notables also serves as a popular recreation space.

Apartment complexes built into huge repurposed natural gas tanks.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

From afar it looks like someone's hat blew into the water, but closer inspection reveals a giant floating sculpture.

These mysterious circular formations are actually remnants of 19th century gristmills.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

Sofia's legislative center is continuously reinventing itself.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

This virtually windowless mass of smooth concrete is the only Catholic church in the city.

Longest fortress system anywhere in Europe.

A quirky collection flush with information on commode culture from ancient times to modern day.