Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

This sublime architectural marvel is a rare example of an expressionist church.

Copenhagen's celebrated theme park and gardens.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

One of the last Jazz Age "Wonder Theaters" in New York City.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

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

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

A small Richmond island dotted with the remnants of hundreds of years of history.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

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

Medicinal spa created with the discharge from a geothermal energy plant.

A vintage video game wonderland in downtown Reykjavik.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.