Inside this 150-year-old barn turned antique shop is a vast array of items for curios hunters.

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

The oldest surviving botanic garden in the United States.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

A surprising, but overlooked example of geology in the middle of the nation’s capital.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

This Asian-inspired tower in a lush urban park provides spectacular panoramic views of Baltimore.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

A historic cemetery filled with quirky faux wood art and unique tombstones.

This seemingly unremarkable boulder is said to bear the hoofprint of the devil himself.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

A semi-scholarly approach to sex.

The site of the deadly Triangle Shirtwaist Factory Fire.

A terrific purveyor of natural history objects and curios.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This freshwater spring fills with 10,000 gallons of water per minute.

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

Come for the Italian food, stay for the taxidermy and giant statues.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

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