The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A museum dedicated to the history and exploration of both popular music and science fiction.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A giant Troll lurks under one of Seattle's oldest bridges.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Cavernous opening completely encased in Karst limestone.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

This 19th-century Hamptons windmill was once home to modernist painter Agnes Pelton.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

A historic lighthouse steeped in rumors of ghost and pirate stories.

The site of a tragic massacre that spawned a multimedia franchise.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

A dilapidated dock tells the story of Titanic's missed arrival.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The prototype for all Nazi concentration camps.