Makers and sellers of the original and finest York Ghosts.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

Sip a cappuccino in the historic cafe that introduced them to the United States.

Order cookies baked by cloistered nuns in a 400-year-old monastery.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

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

A hospital where antique dolls are given new life.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

A professional special effects makeup artist’s collection of horror creatures and one-of-a-kind recreations on display in downtown Boulder City.

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

Fantastic stainless steel dragon gates complete with mesh wings.

A giant green dragon crawls down from the roof of the Providence Children's Museum.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

Step into a pastel time capsule where candy is truly dandy.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

A mechanized clock where a man fights off a dragon, crab, and rooster.

This abandoned, spaceship-like building is home to a museum so unpopular that it has been put on hiatus for over two decades.

This folk art dinosaur was almost pushed to extinction due to lack of a building permit.

A 16th-century horror show built in a lovely Italian garden.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

An Industrial Revolution-era public work that purified water using nothing but sand.