A small structure built from used railroad ties honors the short term of America's 20th president.

A geological mystery on Camelback Mountain.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

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.

The eccentric mansion of one of the most popular horror authors of modern times.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

"We Seceded Where Others Failed."

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.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

Yo, Adrian!

This elaborate towering structure was once famed for its revolutionary height.

The first American department store, and home to the largest operating musical instrument in the world.

A failed piece of Orientalism has become the proud symbol of a community.

Mysterious rocks that ring musically when struck.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

At 207 feet, one of the world's longest continuous escalators.

The romance of early commercial flight still fills this Art Deco destination.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Strange red rock formations that have been attributed to a higher power for hundreds of years.