The longest escalator in the Western Hemisphere takes over three minutes to ride down.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

A gathering of green robots at the Googleplex.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

The unbelievably opulent home built for an infamous newspaperman.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Time travel with sweets across history at this research-based candy store.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

Rare recess caves fill this unbelievably beautiful Ohio park.

A giant lumpy candle serves as a beacon for this highly scented pit stop.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Built in 1859, this eagle-topped archway marks the entrance to Brigham Young’s property.

The first mountain submarine had its initial and last voyage in 1898.

The fifth-longest natural arch in the world, and the longest outside China.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

Where the Millerites gathered to watch the end of the world in 1844—and left disappointed.

One of the largest festivals of flowers in North America takes place, appropriately, in the Flower City.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

There aren't too many operational funiculars around, but Pittsburgh has two!

This hidden treasure provides a charming access point along the south side of Baker Park.

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

An outlandish shoe shaped house built by an eccentric millionaire.