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

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

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

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

The headquarters in Salem doubles as an occult art gallery.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The world's largest piece of copyrighted artwork.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Catacombs turned marketplace.

Hear the quietest sound from across the dome.