One of the most scenic stretches of road in America winds between some of the country's oldest trees.

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

Towering basalt columns, a creation of fire and ice.

The ghostly remains of an accidental sea.

This natural marble cave is one of only five national monuments in Oregon.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

Site of the greatest known waterfall that ever existed.

This dilapidated ship carcass covered in trees is a striking sight.

The highest point in Washington state is a volcano covered in glaciers.

This oddity shop contains everything from antique tools to a human skeleton.

The mayor made the declaration in 2004.

A wild west land agreement was etched right onto this historic Idaho stone.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

One of the last socialist halls still standing in the United States.

A sprawling museum located on the former site of the Orphan Girl Mine.

These giant metal horses graze on a hilltop near the Montana highway.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

New fungal and bacterial species call this deadly lake home.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

A small oasis not far from downtown Moab.