The first declared National Monument in the United States.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A technicolor place of worship for Elevationists.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

Statue of death tucked in the University of Medicine courtyard.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

A haunting collection of the vanished and disappearing natural world.

Paris' linguistic guide to the international language of, yes, love.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

This magnificent Japanese garden provides a moment of Zen in rural Vermont.

A tomb with a window to ensure the interred wasn't buried alive.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.