Improbably, the largest wildlife refuge in the conterminous 48 states sits just northwest of Las Vegas, Nevada.

"Only the devil could play golf here."

Marta Becket's hand-painted theater in the desert.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

Odd outsider art installations surround a Gold Rush-era ghost town.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.

Large tower used for simulating radiation of Hiroshima bomb and the tallest object ever relocated.

A Civil War Museum with some notable medical antiques.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A local prank turned town icon.

The oldest automobile museum in the United States.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

One of the first commercially successful anthracite-powered iron-making operations in North America.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

Where the famed frontiersman was born, raised, and survived Quaker intrigue

This abandoned iron furnace was one of the first to use coke—a type of high-carbon fuel—to make iron.

An abandoned asylum incorporated into a college campus.