A luxuriant botanical garden below sea level.

This Japanese national treasure was originally built in 593.

A popular swimming hole that hides one of America's most deadly diving spots.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A beautiful bamboo trail tucked in this famous Japanese shrine.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A 300-ship graveyard, with a few still visible at low tide.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

The site where Poe “in great distress, and ... in need of immediate assistance” likely died.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

A wall of chewing gum moonlights as collective art.