In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

Its humdrum facade only adds to its electrifying appeal: a rooftop with panoramic views of a shapeshifting metropolis.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

This repurposed church offers a more literal way to get closer to the heavens.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A butcher shop in Minneapolis has all the meats and cheeses you’d expect from any of its kind—except that all the products are vegan.

This lab's maddening silence is good for business but bad for sanity.

The 400-year-old remains of the samurai invasion of Korea.

An all-female order shares an ancient culinary art with visitors at their mountaintop monastery.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

Plenty of old carney magic still haunts this photogenic amusement park.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

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

Natural rock water slides hidden in the remote forests of northern Idaho.

A nearly abandoned 19th-century town on the Palouse.

A black cottonwood gets a second life as a home for books.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

The country music legend's grave is surrounded by Astroturf because fans kept plucking out the grass.

The former home of the hard partying literary power couple is now one of the only museums devoted to their story.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This small museum in a 17th-century building honors three iconic Scottish writers.