A beautiful oddities shop crammed with strange and morbid curiosities.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Nondescript elevator doors open to reveal a stunning, surreal world.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

The Boston square dedicated to the dark poet who was born nearby.

Rustic natural hot springs in the deciduous rain forest.

See massive fossils that are over 200 million years old in northeastern Arizona.

Quite simply the largest tree in the world (by volume).

The longest navigable underground river in the United States is home to countless blind and albino animals.

Private collection of art inspired by cabinets of curiosity.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

A clear blue swimming hole with hidden caves, still unexplored.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

An enormous park-like oasis, full of famous Chicagoans' graves.

This quirky curiosity shop takes its cues from the world's bazaars.

European castle ruins in an American state park are actually the product of death and grief.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

The eccentric mansion of one of the most popular horror authors of modern times.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.