A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

A mysterious spot where the laws of gravity seem not to apply.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

A small museum in Newfoundland is home to a 227-foot tapestry that preserves the remote region's colorful history.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

At 207 feet, one of the world's longest continuous escalators.

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

Every president in history is immortalized in bronze in downtown Rapid City.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

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

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

North America's first frozen mummified remains of an ice age steppe bison, the 36,000 year-old mummy named "Blue Babe."

This beloved marketplace mascot poops money and grants good luck.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

The oldest surviving botanic garden in the United States.

This beautiful site is where the first transatlantic telegraph was sent from.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

A hugely vast Irish landscape of barren rock that stretches for miles.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

Huge standing stones mark a site of megalithic mystery.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.