Most-visited and most-photographed slot canyon in the American Southwest.

Winding country roads in eastern West Virginia lead to an extraordinary place populated by fiberglass giants.

Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

One of the few surviving examples of the first lock and dam system built on the Ohio River.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

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

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

Century-old shop, specializing in Occult products.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

World's first "penitentiary," meant to be humane, drove men insane.

Yo, Adrian!

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

Collection of vintage trailers double as hotel rooms.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

This amazingly preserved Gold Rush town is a historian's dream.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.