A natural sandstone bridge hidden in the Sewanee forest.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

Follow the steps, and this roadside artwork will teach you how to dance.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

This depiction of the earth mother welcomes new life into Aurora Highlands.

A memorial dedicated to the victims of the Columbine High School shootings.

The largest self-built castle in the U.S., six decades in the making.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A multiversal transit station located right below a highway interchange.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

When flour explodes, it's not a pretty sight.

20,000 pieces in a Frank Gehry-designed building.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

One of the world’s largest collections of paper memorabilia chronicles 4,000 years of papermaking.

A local dive where religious kitsch, Southern identity, and queer culture collide.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

Secret gardens just a few miles from downtown Atlanta.

Atlanta's strange assortment of concrete pillars inspires reflection in some, confusion in others.

The world's first time capsule lies behind a welded steel door in Atlanta.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.