Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

This statue is a commemoration of the only place where Freud spoke in the United States.

The Burnside Fountain and its questionable interpretation.

A grave surprise in the downtown area of New England's second-largest city.

Steep canyon walls hide a forested oasis in the West Texas desert.

Once seen as a bit of an eyesore, this sculpture has become a staple of downtown Houston.

The largest underground pedestrian tunnel system in the U.S. mostly caters to the people working in the offices above, but provides a great, air-conditioned way to traverse the city.

Town not known for anything except its strange name.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

This poignant tribute to the White Rose movement showcases artifacts related to the heroic anti-Nazi struggle.

In Houston's airport, a cow is properly equipped to jump over the moon.

A curious statue fit for a mad tea party.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An urban laboratory.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

What is the Thing?

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.