A historic observatory precariously perched at the "Top of Europe."

A charming, homemade vending machine dispenses burgers and sandwiches at this hole-in-the-wall bakery.

The colorful soil of Iran’s "Rainbow Island" attracts artists and nature lovers.

A half-century-old handmade dim sum joint opens daily at 3:00 a.m.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A perilous medieval road leading right into the sea.

This misspelled graffiti reappears every time it is removed.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This bridge is so steep it looks like a rollercoaster.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

This Chinese art gallery is hidden inside the Sunrider Corporation headquarters.

Unbeknownst to most passersby, this marble statue standing outside an office building is a genuine piece of second-century Rome.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This ancient sword lay in a waterlogged tomb for 2,500 years, but managed to remain relatively untarnished and impressively sharp.

The only surviving prototype of Buckminster Fuller's revolutionary car.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

The southernmost outpost of the Russian Empire in colonial America.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

Get past the gatekeeper's apartment and enter an elaborate hoax of a restaurant with a Masonic feel.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

The self-mummified monks of Japan.

Experience park where visitors are told to expect the unexpected.