An abandoned asylum incorporated into a college campus.

This historic Ohio bridge is adorned with fanciful locks left behind by loving couples.

One of the few places where you can explore a 1918 paddlewheel steamboat from stem to stern.

Home to several unusual artifacts, including a huge painting of George Washington.

Dozens of striking Indian symbols cover the second-floor hallways of this rural courthouse.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

An unassuming 13-acre park is home to over 12,000 roses.

An office built to look like a giant basket.

Rare recess caves fill this unbelievably beautiful Ohio park.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

All that remains of a gigantic earth-moving machine.

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

It took years to decode its mysterious messages.

A hotel and restaurant serving as the mecca of kitsch.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

A massive volcanic plug is now a protected area that hosts a number of bird species.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.