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

The land is home to swimming ponies and a legendary 18th-century treasure.

Bizarre Cavern.

A museum dedicated to exhibiting remarkable outsider art.

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

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

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

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

A scenic fort on the harbor protected Philadelphia from an attack that never came.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Sniff the Titan Arum's rotting flesh.