This fast-food outlet is the only space and UFO-themed McDonalds in the world.

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

A colorful architectural gem in Seattle's uniquely modern Central Library.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

Megachurch turned Catholic church comprised of 10,000 glass panes.

A world-class observatory in the California desert.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Make your reservation to have coffee with some kitties.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

The largest permanent Monopoly board makes one of the longest games even bigger.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

European castle ruins in an American state park are actually the product of death and grief.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

A tiny piece of the Moon is embedded in this stained glass masterpiece.