This 18-foot-tall steel lotus is a meditation on ecological crisis that originally appeared at Burning Man.

The National Park Service’s best-kept secret with views that rival any in D.C.

The final resting place of the great navigator, or maybe his brother.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

This mile marker stands at the unofficial end of a highway built to defend the United States from a Japanese invasion during World War II.

An open-air, roadside eatery celebrating a historic indigenous cuisine of complicated significance.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

The hallucinogenic center of the ancient world.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A street in front of NASA's D.C. headquarters has been named in honor of the Black women who were essential to early spaceflight.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

Decades before the scandal, this staircase on the river was a literal "water gate."

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

The best way to get a sneak peek at the movies.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This controversial monument was designed to lionize the Red Army, but also disheartened the Latvian people.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

An homage to Jackie Gleason's bus-driving character from 'The Honeymooners.'