One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

Crushed coral and crystals give the sand its signature coloration.

The oldest private residence in New York City.

This is one really big nut.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

This sculpture honors the man who was known as the "Righteous Among the Nations."

The oldest active juke joint in the state sustains a niche school of blues guitar.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

A trio of giant megalithic stones in the middle of a golf course.

Come for the pastrami, stay for the million-dollar art.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

This unique rock formation has become a popular walking trail.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

Now owned by the National Park Service, this location was once home to illegal boxing matches.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

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

More gold than anywhere else, ever.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

In 1977, wealthy socialite Sandra West was buried wearing an elegant white nightdress while reclining comfortably in her powder-blue 1964 Ferrari.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.