This super steep hike ascends 2,000 feet in less than a mile.

This naturally-sourced hot spring is now home to a clothing-optional resort.

The highest bridge in America was built for an almost unnervingly small amount of money.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

A field of nothing but boulders which resembles a giant's gravel driveway.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

A self-funded cemetery with a long list of inhabitants.

A colorful street named for the legendary Australian rock band.

These flying foxes dangle from the trees around the library like fuzzy black fruit.

This Western Australian mint was established during the height of the Australian gold rush.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

This fountain was once heralded as the largest in the world.

A shrine built to combat the bad karma of a commercial venture.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.