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

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

This fantastical waterfall is hidden in a cave located in a cracked cliff.

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

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

This aromatherapy shop and mini-museum cofounded by the Sigur Rós frontman documents Icelandic history through scents.

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

Step back into the glory days of Florida's nascent tourism industry at this Gilded Age palace.

A luxuriant botanical garden below sea level.

This former factory has been transformed into a technicolor wonderland, where dozens of local artists have collaborated to create a real choose-your-own-adventure experience.

One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

This grand Spanish-Cuban restaurant has been serving customers for more than a century.

Recycled junk and fishing buoys litter the yard and facade of this bait shop cum art project.

The world's 2nd or 3rd or 4th busiest seaplane base.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Narrow gorges and deep pools created by long-ago glaciers.

Unannounced visitors are now welcome at the site of the largest Prohibition-era bootlegging operation in the region.

A park full of outsider art, created by college students studying outsider art.

A park in a small Pennsylvania town is home to an original sculpture by one of its native sons, legendary artist and activist Keith Haring.

The remains of one of the last mining camps developed on the New River.

This former fire tower is now a rustic observatory that offers amazing views of eagles, hawks, and the Appalachian Mountains.