A monument celebrating the idea of reaching inaccessible places.

Where serial killer Aileen Wuornos drank her last beer.

Where monkeys run wild and the humans are caged.

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

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

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

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

The site of one of the deadliest skirmishes during the Battle of Fredricksburg.

The location where the American Revolution ended.

The resting place of a Civil War celebrity's amputated limb.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

A tribute to the beloved, kind-hearted "homeless mayor" of Silver Spring.

Once America's tallest structure, now a Baltimore landmark.

This one-room cabin where the young colonel slept during the French and Indian War.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

A Civil War Museum with some notable medical antiques.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Celebrating the Swedish ship used in the first Arctic expedition to navigate through the Northeast Passage.

A small church in Uppsala hides the grave of a renowned 18th-century astronomer.

A large collection of ancient runestones decorates this university courtyard.