Every January 6, young men dive into Spring Bayou in search of a cross and a year's worth of maritime blessings.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The king of U.S. high points towers over every other peak on the continent.

This kitsch eatery is chock-a-block with bric-a-brac.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Singapore's landscaping project is home to 18 incredible Supertrees.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A community of collapsing homes more than a mile out from the Florida coast.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Climb inside an iron crystal magnified 165 billion times its normal size.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

A bit of retro transportation flair preserved in the world's largest department store.

This one-time health resort was used by aristocrats around the world.