The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

The attic of a four-century-old canal house hides a clandestine church.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

This art shopping center still boasts pieces of its past as a textile factory.

This fountain was once heralded as the largest in the world.

A museum celebrating rare American motorcycles where everything runs—and none of it quietly.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

All that remains of a gigantic earth-moving machine.

The spectacular collection of one of the world's best woodcarvers.

For decades, this waterfall remained hidden because of an artificial dam.

An unassuming 13-acre park is home to over 12,000 roses.

Rare recess caves fill this unbelievably beautiful Ohio park.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

This pristine World War II airfield gives a comprehensive look at atomic development and aviation history.

The last SR-71 ever constructed.

This geothermal hot spring hides beneath a slowly growing mineral dome.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A memorial for public executions that dates back to the 14th century.

The world's longest continuously running show has played at this small West End theater since 1974.