An enormous park-like oasis, full of famous Chicagoans' graves.

Sniff the Titan Arum's rotting flesh.

This charmingly homemade amusement park has been growing for 40 years.

Canyon walls shrouded in ferns.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

An abandoned castle owned and ignored by Masons carries a cursed history.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A whimsical village of unique treehouses resides in a Washington forest.

Rustic natural hot springs in the deciduous rain forest.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

This grand gothic brewery has been pumping out suds for over a hundred years.

Make your reservation to have coffee with some kitties.

A replica that won't float away.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

The curiosities and wonders of pharmacy in a delightful historic building.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

A modernist landscape of water and sci-fi concrete.

The largest self-built castle in the U.S., six decades in the making.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.