The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

Go inside to really appreciate this 500-year-old technological masterpiece.

World Trade Center memorial likened to a woman's sexual organ.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

Pluto is still considered a planet in Ithaca, New York.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

Site of an escape, ten murders, and some scalpings.

A tribute to Ponce de Leon's supposed quest for eternal youth.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This replica of the Greek structure is in the heart of Nashville.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

Narrowest house in Boston.

An 80-year-old house built out of newspapers.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The Vermont grave of a 4,000-year-old mummy prince.

Murder scene memorialized in perpetuity by grisly obelisk.

Largest institutional collection of tomb figures from Western Mexico in the United States.

Only known mainland rookery of the threatened Stellar sea lion.

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