Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This woodland architectural installation acts as a camera obscura for the heavens.

The highest bridge in America was built for an almost unnervingly small amount of money.

The last of the 19th-century booze-free bars has been slinging teetotal tonics for over a century.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

Just a few miles off the western coast of Ireland lies an isle steeped in Irish literary history.

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

A massive sustainable farm designed by the mastermind behind Central Park.

A tomb with a window to ensure the interred wasn't buried alive.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The easternmost town in Alaska can only be accessed from Canada.

Driftwood dinosaurs lurk within trees covered in a rainbow array of avian abodes.

This folk art dinosaur was almost pushed to extinction due to lack of a building permit.

One car at a time please.

A small chapel celebrating the spiritual bond between dogs and humans.

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

This unusual building straddles two countries.