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

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A circle stone within a stone circle.

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

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

One of the best collections of wax anatomical models in the world.

Macabre museum devoted to historical Viennese murders.

The resting place for anonymous victims of the Danube's dark waters.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

A whimsical bridge adorned with decorative dragons.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

Budapest's Communist-era statues, banished to the suburbs.

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

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

A 19th-century artistocrat's mansion, turned into a library, hidden in a modern library.

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

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

This hidden art nouveau gem was designed by an architect in search of a national style.

A fake Transylvanian castle houses a cathedral of antlers.

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

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

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

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