Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

The seamy, underground secrets of Portland's criminal past.

A toxic ghost town sitting atop a massive coal fire.

The United States Capitol's former columns still stand.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

A beautiful Victorian-era cemetery, complete with a miniature village.

Shop selling 500 flavors of soda has something for everyone.

Enormous lake at the bottom of a unique cave system.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

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

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

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

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

A walk through the historic city center, under the streets of Seattle.

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

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

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

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

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

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

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

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