The 10,000 Torii shrine.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

The topiary maze at the Habsburg hunting lodge.

Apartment complexes built into huge repurposed natural gas tanks.

A history of heat is on display at this unique Austrian museum.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

This former insane asylum now holds a pathological anatomy museum.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Museum devoted to the artificial language of Esperanto.

Handsomely crafted representations of our round planet.

The beautiful baroque library of the Hapsburg empire.

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

Legends surround an ancient tree trunk riddled with nails for good luck.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.