This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

A kindergarten shaped like a cat with a tail that's a slide.

A tiny, intricate model railway system.

A collection of decorative eggs to admire in the off-season.

A German town is growing a building out of trees.

A two-way chairlift system between Zugliget and the highest point in the city.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Once the home of a hermetic monk, this cave now houses a small church.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A series of haunting wooden totems are hidden in the woods surrounding a German environmental center.

A centuries-old forgotten underworld lies beneath Malta.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.