This monument is dedicated to Balto, the heroic Alaskan sled dog.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons.

Wading through a small lagoon reveals a secret, wild stretch of pristine beach.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

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

The only gallery in New York dedicated to olfactory art and the exploration of scent in art.

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

The preserved house of a jazz legend still echoes with his music.

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

The famed poet was born in 1819 in a farmhouse built by his father.

The Lincoln Memorial has inspired many, even though a word on the inscription appears to be spelled incorrectly.

This 1920s railway depot is now home to two unique museums complete with a miniature train ride.

Where monkeys run wild and the humans are caged.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

This beloved marketplace mascot poops money and grants good luck.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A monument dedicated to three unlikely visitors to North America.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A pair of 19th-century granite markers symbolically record where the state boundaries of New York, New Jersey, and Pennsylvania intersect.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The signs of a long buried road can still be found hidden beneath a London sewer grate.