This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

The childhood home of one of America's greatest unsung troubadours still stands in a much changed Brooklyn neighborhood.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

This 220-year-old house is a reminder of New York City's Dutch past.

To honor a beloved Austin radio DJ a neighborhood bridge has been covered in a loving mosaic.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Mass Grave of 48 colonists killed in a raid by Native Americans and the French in 1704.

This failed condo development was reborn as a street art hub.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

Free public park and gardens filled with peacocks and peahens.

Now abandoned, this East Austin school for the disabled began as the "State Colony for the Feeble-minded."

A former electrical substation is now home to an eccentric junk art masterpiece.

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

A cave's rare beauty held a cavernous secret hidden underground.

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

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

A modernist landscape of water and sci-fi concrete.

Shipwrecks, ruins, and turtles are all that remain on this haunting Caribbean ghost island.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

This soda factory is one of the last in America to use real cane sugar despite the protestations of Dr Pepper.