This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

The Hudson River School comes alive at this palatial estate.

The second oldest continuously operating bar in Louisiana.

The Canaima airstrip in Venezuela keeps an antique DC 3 plane in its camp.

An experimental, automotive replica of Stonehenge.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Abandoned silver mine strewn with wrecked and twisted structures.

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

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

Home to Hollywood history and a very special salt crystal.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

A store that sells all manner of bones, insects, and animal curiosities.

One part antique store, one part curiosities hodge-podge.

A walk through the historic city center, under the streets of Seattle.

Pay your respects to a folk-punk legend.

Magical-looking cottages that inspired one of the most famous animated films ever.