Hollowed out cedar log tubs set in an ancient towering forest.

This frequently-photographed waterfall takes only a short hike to visit.

Odd outsider art installations surround a Gold Rush-era ghost town.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

Olfactory delights in San Francisco's Botanical Gardens.

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

The rocks in this arid basin leave trails of movement behind them.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A beautiful geyser under environmental threat.

This abandoned amusement park was built on a site with a dark history.

A trash dump made beautiful by nature's power.

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

The site of the climactic scene from the classic horror film is now a historic landmark.

The first declared National Monument in the United States.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

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

Stroll through a wonderland of stupendous moss-covered trees.

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

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

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

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

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