A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Staves, storm-calling, and of course, necropants.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Marked by the hand of the explorer Henry Morton Stanley.

Named after a legendary garden called Eram in southern Arabia, built by order of Shaddad, an Arab king who wanted to compete with Paradise.

A dreamy mausoleum honors Persia's most famous poet.

This vast, water-filled underground labyrinth can only be toured by boat.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

Remembering the Alamo with a full-scale replica of the 1836 city.

This failed condo development was reborn as a street art hub.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Beer lover's can-covered house.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

A health museum containing a 27’’½-foot intestine.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

The world's largest squirrel statue clutches a pecan bigger than your head.

A taste of Middle Earth, in the middle of the Bayou City.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.