In the middle of a desert subdivision, there is supposedly an impact crater site from Kcymaerxthaereal times.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Russian Orthodox church built on an Antarctic island.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

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

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Explore the evolution of printing technology, from cuneiform to Kindle.

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

Museum dedicated to awful artwork.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The smallest island in Manhattan is a manmade landfill dominated by a Buddhist peace arch.

An abandoned asylum where patients have been forgotten but their possessions remain.

A toxic ghost town sitting atop a massive coal fire.

The "last holdout of the Confederacy” actually sat at the edge of the Canadian border.

A gazebo that inspired the fifth episode of the "Twilight Zone" still stands in the creator's hometown

Eclectic architecture in the woods of New York.