An exquisite grouping of structures made from 10 tons of invasive saplings.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

The longest covered bridge west of the Mississippi River.

Buy a token from the liquor store and you can make this beast spew flames on command.

One man's unrequited love stands in a glass box forever.

One of the world's earliest skyscrapers.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

A sculpture dedicated to Napa Valley's oldest mineral water company.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

World-famous, Pink's still manages to keep its prized cult fetish status.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

A chessmaster's dream destination.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

San Francisco's first World's Fair, dedicated to the wonders of California.

A former utopian healing center created by a huckster and built by derelicts.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

Nationwide network of co-ownership underground catastrophe shelters.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

The Zalud family experienced a number of tragedies in one decade, giving rise to rumors that the 19th century house is haunted.

Florida’s half-sized replica of the Vietnam Veterans Wall.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

The world’s first stop-motion film was created on the racetrack outside this building.