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

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 wrecked airplane has been sitting on a black sand beach since the 1970s.

The most powerful waterfall in all of Europe.

An encyclopedic collection of mammal penises.

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

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

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

A crumbling cathedral condemned by an earthquake.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

The home of aviation trailblazers, in a remote corner of the big city.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

The Hudson River School comes alive at this palatial estate.

A distillery built on (and above!) mobster Dutch Schultz's Prohibition-era underground moonshine business.

Three acres of mythology-inspired sculptures are visible from the highway.

The mansion home of author Edith Wharton.

Journey through vintage Americana inside this small Massachusetts shop.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

Eight whimsical acres of metal art.

The site of the first "historically true" UFO encounter in the U.S.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.