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

Bizarre Cavern.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

When ecosystems collide in the arid Southwest.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Home to the deepest rift anywhere on Earth.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

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

A tunnel with windows, so you don't miss out on the impressive views.

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

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

Home to items never before seen by the public.

This one-room cabin where the young colonel slept during the French and Indian War.

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

A Civil War Museum with some notable medical antiques.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

The trials and tribulations of marking Poe’s grave.

These lush botanical gardens employ the most purrfect pest control force.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.