Despite its name, this route in southern Utah offers a heavenly day trip.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

A winding, cliffside stretch of road overlooking the Delaware River.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Radical Bookstore and Community Space.

This shop for all your super spy needs hides an educational secret.

An underground magnet for ever-changing street art.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

A museum dedicated to the history and exploration of both popular music and science fiction.

This Sumatran root bridge took almost 30 years to knit itself together.

Centuries-old bridges grown from tangled roots.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

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

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.