The outcropping is graffitied with the name of the beloved musical Muppet television series.

A mistaken marker makes an erroneous claim along the historic Old Divide Road.

Stairs often replace streets on the steep slopes of this old mining town.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Rumor had it that these concrete crosses scattered across the Arizona scrubland helped align spy satellites. (They didn’t.)

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

An extraordinary collection of aircraft and spacecraft on display at the original site of the Boeing Company.

A giant Troll lurks under one of Seattle's oldest bridges.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

This statue and its surrounding plaques tells the story of Ko-kwal-alwoot and the kinship between the Samish people and the sea.

This historic bridge connects Whidbey Island to Fidalgo Island across whirlpool-filled waters.

Sleep beneath the big screen at this old-school movie theater.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

The American rainmaker and a burst dam.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Over 100 miles from the ocean, this ship-shaped building was built in honor of the owner's sailor son.