Two New York rooftops are home to the largest rooftop soil farms in the world.

A surprisingly beautiful abandoned World War II military base in East Greenland.

Hundreds of skulls and bones at the largest skeleton museum in the country.

Near the ruins of a Civil War coastal fortress lies the only known African refugee cemetery in the United States.

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

One of only two pod-shaped homes designed by Frank Lloyd Wright.

The island residents are known for taking their quirky sense of humor with them to the grave.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

A building so large that it has its own weather.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

Town of spiritualists and mediums in Florida.

Stay in a room with a view... of the bottom of the ocean.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Where manatees are the snowbird vacationers in these balmy Florida springs.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Legendary prop shop filled with one man's collection of scientific curiosities.

This suburban house is made of dirt, and almost sparked a revolution in home construction.

Two dozen pinball games hidden away inside a most unlikely location.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.