Macabre astrological automaton clock dating to the late 1400s.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

This spooky statue sits outside a famous Prague theater.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A mocking tribute to the past and modern leadership of Prague.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A church of bones, decorated with 40,000 human skeletons.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This water tower has been a staple of the Rochester skyline since 1931.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

World's largest bell sits on the grounds of the Kremlin in Moscow.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Moscow's imposing monument to the Space Age.

Thousands of biblical and pagan images are carved into this small 12th-century church.

300-year-old villagers houses and traditional churches preserve a nearly lost piece of Russian history.

Located outside Medellín, this Colombian park focuses on conservation and sustainability.

Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

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

Three hundred illuminated pillars form an “artificial forest” in Medellín.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.