An enormous image of Utah's salt flats made entirely from tape.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

This bridge was constructed from the rubble of the infamous Bastille.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Visitors to this library are in for a real-world education in modernist architecture.

Home to the deepest rift anywhere on Earth.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

An architect's childhood fantasy treehouse made real.

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 much more welcome kind of snowbird vacationer, manatees camp out in these springs every winter.

Home to more than 13,000 pieces of war memorabilia and military equipment.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

The controversial final resting place of the equally controversial first president of Turkmenistan.

Sumptous memorial to a controversial independence.

A dictator's gold statue once rotated to face the sun on a 75-meter high marble tower.