A few dilapidated structures are all that remain of this deserted former silver mining town.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

This wildflower meadow was once the site of America's oldest operating paper mill and a symbol of Newark's manufacturing past.

The second oldest and longest of Delaware's three covered bridges.

This 25-foot-tall gorilla made his way from the Wildwood boardwalk to a Pine Barrens gas station and deli.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Surrounded by industrial sprawl, a small monument marks the site of William Penn's first landing in Pennsylvania.

This heritage rail line meanders through Delaware’s Red Clay Valley.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

This school was designed to support the rebuilding of African American schools around Delaware.

The tombstone of the founder of the lost town of Ogletown is now stuck inside a traffic median.

In Wilmington's hip Trolley Square neighborhood, a utility box has been repainted to resemble a classic gumball machine.

Hundreds of antiquated typewriters and office machinery show the technological evolution of business.

A completely round house designed for the Atomic Age.

Before he was "Bob Marley, international reggae superstar," he was "Donald Marley," a Delaware resident and forklift operator working under an assumed name. This park tells the story.

A drab two-story office space in Delaware is a hidden tax haven for Hillary Clinton, Donald Trump, and over half the Fortune 500 companies.

Destructive children, start your engines.

One of the oldest surviving Swedish-American homes in the United States.

This 17th-century place of worship still celebrates holidays in the traditional Swedish fashion.