The cinder cone volcano with a less than complimentary name.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Ancient pueblos built into the base of a natural canyon wall.

This historic national park is covered in the stunning ruins of red rock pueblos.

A historic landmark and museum filled with curious objects representing the history of Key West.

The museum chronicling a treasure hunter's dream, fulfilled.

This railroad and oil tycoon's lavish estate now stands as a time capsule of the Gilded Age.

The highway's southernmost spot is a beloved local attraction.

"We Seceded Where Others Failed."

A circus legend leaves an unexpected endowment.

Former villa and estate of James Deering developed to preserve native tropical forests.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

The oldest still-operating tavern in the United States was once owned by a pirate.

Mysterious stone tower featured in many alternative histories of the New World.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

A 60-room castle constructed by a horse-racing heir.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

"A hideous albatross in the Hudson River Valley."