A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

One of the few working locomotive roundhouses in the United States.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

Hamissi Mamba and Nadia Nijimbere opened this community-minded restaurant serving dishes from their native Burundi.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

An exotic wildlife habitat right off The Strip.

Showcasing some of the best-preserved temples of the Champa Kingdom.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

Giant pagoda houses the car that drove Thích Quảng Đức to his death by self-immolation.

With over 5,000 champions, the Hall of Fame continues to draw amateur eaters.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

This town is home to the world’s largest arch constructed entirely of elk antlers.

Come for the speed, leave in love with the desert.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

This massive statue of John Muir on the side of a California highway was carved from a redwood tree.