The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This full-sized orange tree lives suspended in mid-air above the streets of Jaffa.

The designated Jewish quarter in Fez dates back to the 15th century.

Sip cherry liqueur at a bar dating back to 1840.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

Frida Kahlo's childhood home, now a museum of her life and works.

This tiny, tranquil Senegalese island serves as a powerful symbol of the Atlantic slave trade.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

This rowhouse doubles as one of the most photographed spots in the nation's capital.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.