Dive bar built out of the remains of a whaling ship.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

Long before Europeans arrived, Native Americans built an artificial island out of shells that has withstood a millennia of hurricanes.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Built around 1723, this is the oldest surviving home in the U.S.'s oldest colonial city.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

Stand at the point where the two mightiest rivers in the United States converge.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

This architectural onion has an original 1930's Jerry O'Mahony dining car at its core.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

This small corner bar is home to a rare 1930s dance organ that still plays tunes for one Euro.

The Internet Age began with a transmission from this biker bar.

The largest and most famous wax anatomical collection anywhere in the world.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

The hallucinogenic center of the ancient world.

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

Over 200 people were buried here with only a small stone to mark their final resting place.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

A darkly erotic open-air statuary in Catalonia.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.