Let these towering termite-building structures tell you where to go.

This sacred site lives up to its name with its majestic, color-splashed sandstone formations.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

This remote Colorado canyon is home to the second-largest collection of natural arches in the world.

Take a dip in the world's largest mineral hot springs pool.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

The natural hot spring that was integral to the creation of Canada's first national park.

With a floor made of thick glass, this observation deck offers a full view of Sunwapta Valley's mountains and rivers.

Try the alligator at this fondue spot, which has been catering to "lovers and hedonists" since 1967.

Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

A lighthouse on this West Virginia lake started as a joke, then the forces of nature helped make it a reality.

This lookout tower built in the 1930s is now an in-demand cabin with what might be the best view of the Seneca State Forest.

A collection of over 15,000 zines works to preserve DIY publishing culture.

A former military outpost of Ivan the Terrible, the 16th-century church contains some of the rarest examples of Eastern Orthodox mural paintings.

Beirut's thinnest building was the result of feuding brothers.

It was founded by Ralph Nader to educate the public about an often-maligned area of law.

A giant concrete Brutalist water tower in suburban Johannesburg.

All aboard the world's longest miniature railway.

This eclectic collection documents the wild legacies of "America's Wickedest Street."

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

Quirky movable sculptures have been racing through the town since 1983.

There's a piece of New York City transportation history hidden in plain sight at a Manhattan subway stop.