This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The Hopi-style structure was built by the man who discovered Desert Hot Springs' famous mineral water.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

World-famous, Pink's still manages to keep its prized cult fetish status.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

The 30,000-volume library is one of the world's most impressive poetry collections.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

An off-grid art installation that encourages its visitors to imagine a world without waste.

The sign to a demolished amusement park now stands in front of a local library.

San Francisco's first World's Fair, dedicated to the wonders of California.

Obscure Freemasons still live in D.C.’s largest private residence.

The most accurate timepiece in the world.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

A unique botanical garden housed in three giant geodesic domes.

Former meatpacking facility turned vertical farm and sustainable business complex.