Yo, Adrian!

A toxic ghost town sitting atop a massive coal fire.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Pennsylvania's own Roswell-style UFO mystery.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

Each step is a mere 4 inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

There aren't too many operational funiculars around, but Pittsburgh has two!

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

A CT scan revealed the identity of this 3,000-year-old mummy that everyone erroneously thought was female.