This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Shop selling 500 flavors of soda has something for everyone.

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

Enormous lake at the bottom of a unique cave system.

Resting place of Hollywood's immortals is also site of summer film screenings.

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

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

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

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

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

A miniature rainforest is growing inside of a Midtown Manhattan office building.

New York's oldest magic store.

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

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

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

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

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.

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.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.