This rare tortoise skeleton has been hanging around the downtown Los Angeles museum for over a century.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

A once-magnificent collegiate church is falling into ruin.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

A centuries-old complex of hand-dug stone chambers has sheltered locals in times of trouble.

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.

The place to be if you love vintage Swedish cars.

More tin toys than you can shake a clapping monkey at.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

This small oxbow lake has rare giant river otters and some Seussian-sounding birds.

Hidden amid the tropical forest in the Caribbean Sea are the decaying ruins of the Cocaine King's luxurious island party home.

A preserved factory in the "Home of the Carrousel" is now a museum dedicated to the classic wooden ride.

Burping, gurgling geothermal mud pots by the Salton Sea.

Watch out for the two-story Godzilla made out of tires.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

A small Richmond island dotted with the remnants of hundreds of years of history.

An Orwellian sculpture with eyeball cameras watches passersby.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

This 700-year-old street food market features baby octopus and soy donuts.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

A modern-day Lascaux cave underneath Paris.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.