The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

A house carved into a rock in the 1940s.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

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

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

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Olfactory delights in San Francisco's Botanical Gardens.

A trash dump made beautiful by nature's power.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

America's most famous piece of self-built architecture.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

New York's oldest magic store.

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Follow the steps, and this roadside artwork will teach you how to dance.

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

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

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

A vertically floating hemlock controls the waves and weather at Crater Lake.

A crack flared at the base provides a pathway completely through a sandstone ridge near Moab.

The fifth-longest natural arch in the world, and the longest outside China.