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

Stroll through a wonderland of stupendous moss-covered trees.

Enormous lake at the bottom of a unique cave system.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A bizarre house filled with an astounding array of collections.

The final resting place of New Orleans' most famous voodoo priestess.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An emerald-green grotto just a short trip from Austin.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A psychedelic labyrinth on the San Francisco bay.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

John Hendrix predicted the creation of the "Secret City" built as part of the Manhattan Project.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

Is this the most Portland place ever?

A beautiful 62-acre Catholic shrine and botanical garden.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

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

The headquarters in Salem doubles as an occult art gallery.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.