Read between the lines of the subway map to find the hidden abandoned Civil War fort.

A meditative space out of a fantasy story.

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

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

One of the last Jazz Age "Wonder Theaters" in New York City.

A whimsical village of unique treehouses resides in a Washington forest.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Most famous work of one of Frank Lloyd Wright's sons.

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

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

A ghost town at the airport is now a refuge for blue butterflies.

Magical-looking cottages that inspired one of the most famous animated films ever.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

A bizarre roadside attraction and the first instance of miniature golf in the world.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

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

Sniff the Titan Arum's rotting flesh.

An unassuming secret door once led to a legendary watering hole.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

An antiquated German apothecary on Chicago's North Side.

An abandoned stretch of highway, deteriorating next to the operational one.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.