A unique geological area spiked with wind-carved rocks that resemble teepees.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

A clear blue swimming hole with hidden caves, still unexplored.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

A sprawling collection of over 106,000 toys from around the world.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

The world’s largest Masonic temple was saved by the White Stripes.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Singapore's landscaping project is home to 18 incredible Supertrees.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

FDR's Art Deco hospital tower was hopelessly inefficient.

She stares out across six lanes of traffic, clutching a musket and infant with determination.