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

A museum dedicated to the history and exploration of both popular music and science fiction.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A semi-scholarly approach to sex.

Enormous lake at the bottom of a unique cave system.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A technicolor place of worship for Elevationists.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

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

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

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

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

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A snapshot of the city's fascinating voodoo culture.

Most-visited and most-photographed slot canyon in the American Southwest.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Unique collection containing a wide and curious range of contraceptive items.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

An art deco ice cream shop covered in vintage train station tiles.