The only Leonardo Da Vinci painting in the Western Hemisphere.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

A multiversal transit station located right below a highway interchange.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

This little gem of a museum is a hidden jewel filled with prehistoric treasures.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

The former headquarters of Mexico's Secretariat of Public Education now houses a muralism museum, including Diego Rivera's first large-scale mural project.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Few other hotels can rival the grandeur of the Castle in the Rockies.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

This church on a Tohono O'Odham reservation has stood since 1797.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

A geological mystery on Camelback Mountain.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.