The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

A picture-perfect town, perfect for blowing up.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Potential high level nuclear waste storage site for the next 10,000 years and beyond.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.

The location where the iconic movie character declared it was time to go home.

A hotel with a rich Wild West history of miners and bootleggers.

Drift through underground caves on a tube.

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

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

There's nothing creepier than a cemetery next to a clown motel.

In the middle of a remote desert town is a surprisingly opulent hotel.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

A winding, cliffside stretch of road overlooking the Delaware River.

The unbelievably opulent home built for an infamous newspaperman.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

Plans for this peninsula included houses, the United Nations Headquarters, and a nuclear power plant. When none of them worked out, it became an expansive park.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

This spectacular track has run continuously since 1882.

Two creeks flow out of either end of this canyon in opposite directions.