The crumbling remnants of this 19th-century quarantine hospital hint at the touristy island's darker past.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Where an 11th-century flying monk crash landed after attempting to take to the skies.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

This famed Silk Road oasis was one of the largest cities in the world before it was destroyed by a Mongol horde.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

A historic presidential getaway on the continental United States' southernmost island.

"We Seceded Where Others Failed."

A mysterious castle built as a monument to lost love.

Rare recess caves fill this unbelievably beautiful Ohio park.

Former villa and estate of James Deering developed to preserve native tropical forests.

A gaudy painted elephant stands in memory of south Florida's fallen carnies.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

Britain's answer to the NSA is based out of this deliciously-named circular headquarters.

This unassuming Victorian cemetery is the final resting place of author Lewis Carroll.

The trials and tribulations of marking Poe’s grave.

This four-story steel sphere in Maryland was used to test biological weapons.

A museum of anything and everything Stooge.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This sweet Southern elixir comes from what may be the oldest grape vine in North America.

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