A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This indoor ski resort has a mountain contained inside a mall.

This artificial archipelago was supposed to resemble a map of the world.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

This Polish cave has housed a dragon, a brothel, and an enduring legend.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

A scene from one of Hungary's most famous novels.

A diminutive statue that was inspired by the sculptor's own daughter.

An underground city of salt.

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

A series of bronze circus performers spread throughout a Slovakian shopping center.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This colorful statue welcomes visitors to a Barcelona park.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Macabre astrological automaton clock dating to the late 1400s.

Singapore's oldest Hindu temple.

This fountain was once heralded as the largest in the world.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."