Once the extravagant escape of the Ford family, this enigmatic ruin now stands as a haunting reminder of its former glory.

A 19th-century architectural wonder designed by the "father of the skyscraper."

The seat of Buffalo government is a gorgeous Art Deco palace.

The absurd creation is a compulsory destination for selfies in Buffalo.

The oldest residential street in Europe also features an optical illusion.

This abandoned prison castle has become an imposing gallery of graffiti art.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

Fantastic collection celebrating the final send-off.

The largest collection of hair jewelry in Europe reminds you how creepy 19th-century love was.

This museum’s collection includes rescued birds, fine art, and a collection of shrunken heads.

A homemade anatomical collection of medical anomalies and accidental catastrophes.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

A piece of John the Baptist in the American heartland.

The remains of the great moral philosopher reside in a university in London.

An abandoned, rusty old relic of railroad history stands at attention over the Cuyahoga River.

Medical history museum featuring a lovely doctor's office from the 1800s.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

A painfully obvious spy house sits right across the street from the Russian Embassy.

A Cold War secret surveillance tower used to spy on radio communications.

A secret rendezvous spot where John S. Mosby and his Rangers would meet to divvy up their loot after raids.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The only structure in a remote mountain pass, these colorful cubes are visible from miles away.

A Wes Anderson-esque lighthouse that boasts magnificent coastal views.