America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An ideal wedding spot that is almost too ideal.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

This tree is a living witness to the beginning of the Civil Rights Movement.

Historic funicular railway, believed to be the shortest railroad in the world.

An iconic location along the Los Angeles River where countless movie scenes are filmed.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

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

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

These ornate manhole covers were used for a now-forgotten purpose.

Built just after the American Revolution, the oldest row house in New York City still stands in Chinatown.

A garment factory hides a small Dominican eatery in the hallway to its freight elevator.

The greatest real estate coup of all time.

A hidden bar inside an ad agency has a deliberately misleading name, so employees can stay late under pretext of paperwork.

This nostalgic blast from the grooming past is also a working barbershop.

Ever wanted the laymen's version of your credit card fine print?

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

One kilometer of thick brass rod laid out before your eyes.