An unusual round church in London with a Templar past.

Hear the quietest sound from across the dome.

An eerie, derelict amusement park in Berlin.

A collection of objects supposedly singed by the hands of souls in purgatory.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

The humble gravesite of the man who failed to cash in on his Pepsi-cola goldmine.

The only castle in North America to ever house European sovereigns.

A church dedicated to the Mexican skeleton saint.

This award-winning men's bathroom was just too beautiful to not allow women to see.

This little-known relic crypt holds stolen parts of a Roman Empress.

Europe's second largest ossuary wasn't discovered until 2001.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Civil War dumping ground for the bodies of terrorized Union sympathizers.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

This abandoned amusement park was built on a site with a dark history.

Come for the speed, leave in love with the desert.

A sculptor's dream castle turned fantastical ruin.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

A folk art mecca famous among outsider art fans.