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

The most biologically diverse protected area in Africa is also the most dangerous.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

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

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

No one knows the origin of this small town’s unique name.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

A haunting army of decomposing, moss-covered stuffed animals and dolls guard this swinging truss.

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

An extraordinary final resting place full of oversized art, amazing statues, and dead celebrities.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

A commonwealth favorite in the heart of Pasadena.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

A museum dedicated to restoring vintage aircraft, located at a working airport.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

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

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

A hollow cement depiction of time's inexorable effect on the human body.

Some of the most unusual (and in some cases, disgusting) flavors of soda imaginable.

A newspaper building that made radio history.