Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

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

The maritime museum that boasts the largest nautical library in the western hemisphere.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

This old-fashioned carhop restaurant gave the world the waffle cone.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Cryptid lake monster honored with its own monument.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Bits and pieces from the ill-fated Donner Party's winter cabins.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

The world's brightest bioluminescent bay.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

This free, take-a-book shop seems like a trick but isn't.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

A psychological self-portrait in the form of a giant, segmented head.

This angular brutalist playground turns playtime into modern art time.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

An underground magnet for ever-changing street art.

The house where John Wilkes Booth conspired with his co-conspirators.

The first statue of Christ sleeping on a bench in the United States confused its affluent parish.