The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

This former office building has been transformed into an immersive music venue and art space.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

148 feet long and in the middle of a verdant forest.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

This print shop boasts one of the largest pinball arcades in San Francisco.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

An overlooked and unassuming engineering marvel.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

This private residence was the template for one of the most beloved television homes of all time.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

San Francisco's newly reopened hands-on science museum.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Olfactory delights in San Francisco's Botanical Gardens.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

A psychedelic labyrinth on the San Francisco bay.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

Bible stories are brought to life with gloriously cartoonish kitsch in this South American theme park.

Xul Solar was an artist of alternate worlds, inventor of languages, and dreamer of utopias.

A living art gallery painted on a canvas of Monterey pine trees.

Windswept and remote, this island was once the home of a rare mammoth and today is home to a rare tree.