This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

The world's second largest single-dish radio telescope, once used to contact E.T.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

A rare wayfinding portmanteau of “Street” and “Avenue.”

A uniquely lettered street sign marks the corner where the iconic word game was invented.

Outstanding, eerie frescoes and decorations fill this 19th-century monastery.

This Central New York ghost town was once a prosperous railroad community.

Legend says this rock was once a chopping block for public executions.

Saved by a logger, this Douglas fir is one of the last great old-growth trees in Canada.

The church's remarkable frescoes incorporate Finnish artist Hugh Simberg's trademark themes of death and the supernatural.

Dancing skeletal figures pay homage to a medieval mural destroyed during World War II.

A display of works by one of the world masters sacred art, an 18th-century Brazilian sculptor nicknamed "the little cripple."

A curious memento mori hangs in the magnificent Cathedral of Segovia.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

The oldest Dutch colonial stone house in New York City is a hidden gem on the border of Brooklyn and Queens.

The famous author's cottage hideaway.

This picturesque abandoned home is rumored to be a spite house.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.