Mysterious stone tower featured in many alternative histories of the New World.

A 60-room castle constructed by a horse-racing heir.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

This blue behemoth of a bear is a colorful homage to Brown University's mascot.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

The only surviving fragment of the lost Narragansett Pier Casino.

Time travel with sweets across history at this research-based candy store.

An antique store houses the last operational diner from the defunct department store chain.

This storybook New England home is actually a decommissioned lighthouse.

Celebrating the transformation of trash into objects of beauty.

A trash dump made beautiful by nature's power.

A charming beach town in Turkey captures all the colors of the rainbow.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

A carousel trades in its classic horses and calliope for endangered species, native flora and fauna, and a modern soundtrack.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

A historic freight system that found the true gold rush is in tourism.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

The northernmost international land border crossing in the United States.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

A hidden workshop for creating and restoring Papal mosaic masterpieces.