A monument marks the location of the first successful steamboat demonstration.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

A museum dedicated to exhibiting remarkable outsider art.

An exotic wildlife habitat right off The Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

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

The site of a tragic massacre that spawned a multimedia franchise.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Try not to get slimed in Tribeca.

World Trade Center memorial likened to a woman's sexual organ.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This curiosity shop contains a museum filled with bizarre, unique objects.

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

The first Protestant church in Arizona and only Gothic Revival style adobe church in the world.

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

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Three hundred years of preserved Spanish colonial history in San Antonio.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.