The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

A psychedelic labyrinth on the San Francisco bay.

An enormous goose sits atop this nest-shaped home.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

The fine fabric handwoven at Biltmore Industries was once coveted around the world.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

This site was once the largest ski jump tower in the world.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

This Seattle joint serves food inside an old train car once used by FDR.

This sculpture forces visitors to confront their relationship with space.

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

The last orange grove of the San Fernando Valley is owned and protected by CSU Northridge.

Found: Garden of Eden in Miami-Dade County, Florida.

800 apricot trees honor Silicon Valley's agricultural history.

History is hiding at the Morean Center for Clay.

California's first suspension bridge.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A painfully obvious spy house sits right across the street from the Russian Embassy.

This massive redwood tree has a hole in the base big enough to drive through.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

The only remaining historic maritime signal station in the United States.