Supplies are schlepped up by llamas at this century-old inn, accessible only by hiking trails in the Great Smokies.

Countless grotesque faces stare out from this eerie Prague art wall.

The oldest garden in Prague, once part of an medieval orchard.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

Macabre astrological automaton clock dating to the late 1400s.

The first museum in the world devoted to sexual gadgetry.

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

Dine amidst exotic plants at this former royal greenhouse.

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

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

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

The medieval network of canals hidden underneath the city is opened to explorers each year.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

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

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

The amazing wonder cabinets of a very rich Austrian archbishop.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

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

Epicurean and holy traditions converge in what may be the oldest restaurant in Europe.