This statue honors the author's groundbreaking family story.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

The highest point in Maryland is only accessible by hiking through another state.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

Bizarre Cavern.

Built by the patriotic residents of Boonsboro in a single day.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

A hidden alley in urban Baltimore is a haven for graffiti artists.

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

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

Spies, love letters, and ghost stories have all left their mark on this home-cum-museum.

An eccentric playboy's astounding natural history collection.

The highest natural point in New York City and all of the Atlantic coastal plain.

Once America's longest-manned military fort, now an abandoned hulk.

The mosaic Star of David at the front of this store hints that it's no ordinary Italian grocer.

This Bronx apartment building is officially recognized as the birthplace of hip-hop.

This Arkansas town is known for its gangster history, its healing waters, and now its brews.

This Little Rock legend has survived decades of rowdy crowds, three fires, and a zombie wedding.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.