The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

The way these carnivorous dinosaurs are posed is an homage to a classic work of paleoart.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

The highest tides in the world come in and out here twice a day, allowing you to essentially walk along the ocean floor.

Trinkets and toys lovingly handmade by maximum security prisoners.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Guns that have been defending San Francisco since 1904.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The world's longest known cave system.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

The rocks in this arid basin leave trails of movement behind them.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

An exotic wildlife habitat right off The Strip.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.