This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Rare recess caves fill this unbelievably beautiful Ohio park.

Rustic natural hot springs in the deciduous rain forest.

European castle ruins in an American state park are actually the product of death and grief.

Nikola Tesla's former home contains an homage hidden from plain sight.

See massive fossils that are over 200 million years old in northeastern Arizona.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

A very classy 1920s-era bar right in Grand Central Station.

Seattle's own bad art museum located inside Cafe Racer.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

The ghostly remains of an accidental sea.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

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

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

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.