World's largest collection of serial killer artwork and other macabre exhibits.

Hidden on the 7th floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

Building owners can take out tiles for free at this repository for historic building materials.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This charming candle shop has been in business since 1789.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.

The only Malaysian food truck in Italy slings tangy chicken satay that even Italians love.

A quiet Sicilian village is home to a cafe that had an important role in "The Godfather."

A 16th-century horror show built in a lovely Italian garden.

One of the world's richest men bought this former paper factory and transformed it into a mall.

Troublesome students were detained in this tiny graffiti-covered university jail.

The Grand Mall in Varna hosts one of the biggest collections of Soviet-era paraphernalia in Bulgaria.

This small museum once served as a royal hunting pavilion for King Otto Friedrich Ludwig.

This banal Parisian entranceway is not what it seems.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

A huge musical instrument played by the ocean.

One man's quest for the ultimate road trip vehicle.

VW heaven in the backwoods of Dade City, now gone.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.