A New England curiosity cabinet, one hundred years on.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

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

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

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

A museum dedicated to exhibiting remarkable outsider art.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

A piece of outsider public art accompanied by a strange urban legend.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

An experimental, automotive replica of Stonehenge.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

A unique sculpture park that specializes in the huge and bizarre.

A world-class collection of mechanical musical instruments and automata.

A surprising museum of 20th-century technology.

This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.