Places jackofalltrails Wants to Go

This prehistoric karst cave is situated near a working ranch and historic warm springs.

A hidden gem of a saloon in the middle of a ghost town.

An ill-fated attempt to grow wheat in the sagebrush steppe of northeastern Nevada.

Drive up a paved road into "Nevada's Yosemite" for exquisite views and mountain hiking in an alpine setting.

One of the few slot canyons in New Mexico, this area is fantastic for hiking, camping, and stargazing.

The only international border marker within the United States.

The preserved wheel ruts of El Camino Real de los Tejas, an 18th-century Spanish colonial road across America's Southwest.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

This spectacular track has run continuously since 1882.

A drab two-story office space in Delaware is a hidden tax haven for Hillary Clinton, Donald Trump, and over half the Fortune 500 companies.

An unusual library of dead things at the Rhode Island School of Design.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

A tiny 1857 chapel sits on top of a secluded, forested hill.

A mountaintop shrine named for the road to heaven.

Hike along an abandoned railway up to a popular pilgrimage site.

Picturesque and haunting, these 160-year-old stone ruins on top of a bluff are the only remains of a settler's legacy.

At certain times in the fall and winter, the sunlight makes this natural sandstone arch glow.

A former barn converted into a massive train diorama.

4,000 monkeys used for medical testing on an island off of South Carolina.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

A century-old miner's quarters turned mansion.

This small museum is dedicated to the study of coprolites, or fossilized poop.

The geomorphology of the Turia Valley could easily be mistaken for Utah or Arizona.

The ruins of the northernmost pueblo in the Americas tell the story of a mixing of native cultures.