A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

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

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

This century-old confectioner's outlet store was plucked right out of the Seattle World's Fair.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

A giant roadside black bird marks the location of this eclectic local mall.

You don't have to be a diplomat to visit the so-called Camp David of the West.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

A simple plaque remembers a California island massacre that claimed more than 100 lives.

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

Commonly referred to as the most photographed Victorian home in the United States.

These cinderblock farmhouses were actually World War II radar stations in disguise.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

Come for the speed, leave in love with the desert.

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

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

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.