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

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

A historic observatory precariously perched at the "Top of Europe."

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

Europe’s oldest natural human mummy.

An 11th-century fortress home to one of the most influential royal houses in medieval Europe.

The great Danube river starts here.

The steepest classic funicular in the world glides along a dizzying incline.

A striking 12th-century-style castle built on the edge of a cliff.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

The many—66 to be exact—faces of the German forest.

Held in an old church, this clockwork museum maintains a special focus on titanic tower timepieces.

The highest waterfall in Italy is only "turned on" five times a year.

Two nations form a rare four-sided border at the peak of a mountain, philosophical questions result.

Where beer lovers can literally immerse themselves in beer.

Bell tower juts out from a village buried under a lake.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

Only known mainland rookery of the threatened Stellar sea lion.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.