Opened in 1787, this old-world treasure is said to be the oldest restaurant in Copenhagen.

High in the Sacramento Mountains, a facility dedicated to studying the sun.

A museum befitting the city responsible for supplying the majority of the world's LSD.

A miniature view of the park, caught in time.

An overlooked and unassuming engineering marvel.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

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

A hidden subterranean installation offers a view of the sky.

Early prototype for Frank Lloyd Wright's Guggenheim.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

A psychedelic labyrinth on the San Francisco bay.

The taxidermied remains of the "last wild grizzly bear in California" and of the symbol of the state of California.

The only theatre in the world constructed specifically for sound movement.

A lawless town deep in Death Valley was famous for its riches and death rate.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

The ghostly remains of what was once the world's richest copper mine.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

An abandoned town is hidden in Great Smoky Mountains National Park.

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

Festival of Perpetual Life and Rebirth.

This church carved into the rocks is full of enchanting stone statues.

An old town theater converted into a celebration of the hobo legacy.

Home with Gothic windows featured in a famous painting.