One of the largest helium balloons in the U.S. is a 112-foot ginormous orange.

Bohemian paradise covered in majestic forests.

This former quarry is now a picturesque gorge that hides a sunken lake.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

Dedicated to the "father of modern education," this museum documents the history of education in Czechia.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

This doorless 20th-century elevator doesn't stop or slow down.

An existential riddle in the world's largest ancient castle.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

The first museum in the world devoted to sexual gadgetry.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

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.

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

A quasi-futuristic roof sits atop a medieval Bohemian monastery damaged during World War II.

A Baroque mansion with ties to legendary magicians and alchemists.

A saintly relic hidden in a Prague church basement.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

This artificial cave looks like something out of a fairytale.

The site of Austria's biggest concentration camp now honors its victims.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.