Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A red-brick beacon stands against the tempestuous Atlantic, on the windiest site in the United Kingdom.

Famously misunderstood wonder of the ancient world

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

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

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

A monument celebrating the idea of reaching inaccessible places.

The site where Joe Gallo kept his guns, pet lion, and launched an all out mob war in 1960s Brooklyn.

Four cars from the old system were once on display, but were removed in 2014.

Fascinating town where normal life interfaces with the occult.

The final resting place for the remains of 143 Habsburg royalty.

Roman ruins top white travertine terraces formed by ancient hot springs.

Museum about life, death, and cannibalism in the Stone Age.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

One of Europe's oldest libraries.

The second oldest continuously operating bar in Louisiana.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

A pyramid in Central Europe of unknown origin.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

"We Seceded Where Others Failed."

A spherical "micro-nation" in the heart of Vienna.

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