This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

This locally-famous crevasse in New York State is icy all year round.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

Visible below the waves are memorials to the city's Gold Rush dead.

A huge musical instrument played by the ocean.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

This historic folk museum celebrates the attention to detail that makes America great.

A bygone village occupation lives on via this quaint public chalkboard.

The monument dedicated to Phineas Gage in the town where his accident happened.

This decrepit abandoned building is made all the more eerie by its dark history.

Fountain where visitors can earn a license to be mad.

One woman's Viking Castle on Lake Tahoe.

Hunt for buried treasure in Nova Scotia.

The largest tidal whirlpool in the Western Hemisphere.

An ancient Viking village in North America that predates Columbus by 500 years.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

A cave dug by a man directed by ghosts to find pirate treasure.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.

An eccentric inventor's castle home with its own indoor weather system.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

The grave of Mary Nasson is shrouded by witchy legends.

The center of the only hemisphere that awards visitors with a commemorative coin.