This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

More than 700 species live within this murky marvel of a swamp on California's coast.

An essential stop before plundering, BYO Cutlass.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

The land is home to swimming ponies and a legendary 18th-century treasure.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

Giant jewel-toned statues fill the grounds of this Cambodian Buddhist temple in California.

Where the writer penned his famous story about a jumping frog.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

A dentist's hated concrete colossi are now beloved icons of the community.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

The long, arduous journey of the stones of the Abbey of New Clairvaux.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A collection of colorful dinosaurs hidden in an actual rainforest.

Canyon walls shrouded in ferns.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

On the Oregon coast is a natural hole that seems to be draining the sea.

Only known mainland rookery of the threatened Stellar sea lion.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

A giant roadside black bird marks the location of this eclectic local mall.