Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

You’ll feel like you’ve gone through the looking glass at this contemporary art museum filled with glass sculptures of every size, shape, and color.

This ancient Chinese observatory still contains early astronomy technology.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

A tunnel with windows, so you don't miss out on the impressive views.

The hallucinogenic center of the ancient world.

This unique bed and breakfast was first constructed during the 1800s by a Russian immigrant family.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

A historic freight system that found the true gold rush is in tourism.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A cannonball from Union forces battling John Hunt Morgan made this church a permanent home.

This award-winning men's bathroom was just too beautiful to not allow women to see.

Yup, that's a 330-foot yacht passing over the highway.

Buffalo's abandoned concrete grain elevators are getting a second life.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

Come for the boats, stay to explore the intriguing assortment of art.

Thanks to its curved shape, this incredibly durable dam "whispers" to visitors.

A remote desert lookout offers unparalleled views of the California badlands for those who brave the trek.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

A contemporary fresco movement illustrates the region's rich history.

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

Who needs fancy modern water slides when this giant North Carolina rock works just as well?