At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

These roaring primates were considered a divine creature in the cosmology of the Maya.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

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

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Unique tower has outlasted a takeover of the company.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

This old residential building was once the largest flour mill in the world.

This water tower has been a staple of the Rochester skyline since 1931.

Hub of Scandinavian culture in a Minneapolis deli.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

The most powerful waterfall in all of Europe.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

An encyclopedic collection of mammal penises.

Iceland's tribute to its thankless civil servants.

This stunning concert hall has become a symbol of Iceland's national recovery.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

Three columns of volcanic rock shoot out of the ocean.