A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

Two gushing waterfalls of hot spring water within a block of each other.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

Yup, that's where the name came from.

Town not known for anything except its strange name.

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.

A technicolor place of worship for Elevationists.

The first declared National Monument in the United States.

Spectacular views await visitors to this lake.

An abandoned mine where dreams of quicksilver trickled away over 75 years ago.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

The famous aviator's final resting place is a study in natural beauty.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

These ancient sacred grounds granted amnesty to those who managed to reach them.

A controversial memorial at the place where Captain Cook met his violent end.

This legendary urban waterfall creates a dazzling display of rainbows.

Watch the newest land on the planet form before your eyes.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This black shoreline is made up of exploded lava particles.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.