Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

One of downtown Berlin's last reminders of its Communist past.

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

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

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

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

Museum dedicated to the terror regimes of Hungary.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

The Sun King's military models, saved from the Louvre.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Perhaps the only prehistoric monument with its very own public bus stop.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

A open air theatre built on a cliff by an eccentric British woman.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The largest and most famous wax anatomical collection anywhere in the world.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The middle finger of modernity.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

See some of the world's greatest racing horses at this idyllic thoroughbred breeding facility and garden complex.

An ancient neolithic tomb that only sees the sun twice a year.