The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

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

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Legends surround this jagged rock formation in the New Mexico desert.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Quite simply the largest tree in the world (by volume).

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

Every equinox this Maya pyramid puts on a spooky ancient light show.

The largest drain hole in the world.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

A small flooded ghost town with a few scattered structures remaining.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

San Francisco's newly reopened hands-on science museum.

The ghost town that ended up on Ebay.