This innocent-looking townhome is actually a subway exit.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

Prove you deserve to be fed by Kenny Shopsin.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Complex aquaponics systems allow fish and plants to grow in harmony.

The remains of a Rockefeller's lush Italianate estate hidden in the underbrush on the coast of Lake Michigan.

Shop selling 500 flavors of soda has something for everyone.

The cell which saved the life of Ludger Sylbaris, "the man who lived through Doomsday."

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

An ideal wedding spot that is almost too ideal.

Hidden among the multi-million dollar mansions in the Santa Cruz hills is a sanctuary for troubled birds.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

A beautiful and classically designed villa, with an hourly infestation of monsters.

A market for witches is hidden within a train station.

A pair of trees near a Hong Kong shrine are said to grant wishes, but only the ones they hold on to.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.