A fearsome dragon clings to a corner of Munich's city hall.

The footprint of a frustrated devil in Munich's Cathedral.

An Austrian house of bones filled with hundreds of intricately painted skulls.

The world's oldest known salt mine.

During World War II, Austria's oldest salt mine was used to store thousands of pieces of stolen artwork.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

This strange statue features a bust of the famous composer plopped atop a woman's body.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

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

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

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The topiary maze at the Habsburg hunting lodge.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

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

The Habsburgs' royal collections of art and wonders.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Designed as a reminder of one of the darkest moments in Austrian history.

The beautiful baroque library of the Hapsburg empire.

Dine amidst exotic plants at this former royal greenhouse.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

Final resting place of a pioneering scurvy researcher.

Marigolds, rosemary, Madonna lilies, and the Virgin’s Bower decorate this Massachusetts sacred garden.