Oldest unrestored plantation house in America that is open to the public.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

St. Augustine's record-setting narrow street was designed to protect against pirates.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

The celebrated eyesore created by starry-eyed sweethearts.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

Italian cave with exceptional acoustics and an unsavory history.

The world's most active stratovolcano is almost always erupting.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A winding path built in secret on the edge of the continent.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.