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

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

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The legendary building that needed ghostly approval before being built.

A psychedelic labyrinth on the San Francisco bay.

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

A nearly abandoned 19th-century town on the Palouse.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

One-layer pyramid in Indiana.

A fake mine that was made using real mining techniques which is also used as a community center.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

Jail from the 19th century that was built by inmates.

A few dilapidated structures are all that remain of this deserted former silver mining town.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

The most accurate timepiece in the world.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

Located within a historic park, the beacon is the oldest standing structure in Miami.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

This was one of the first (and last) university-built and operated nuclear reactors.