The ruins of a 17th-century lodge on a grand estate are being slowly restored to their former glory.

England’s ancient oak tree has such an impressive girth, people have been hosting parties within the hollow trunk for centuries.

At high tide this strange footbridge appears to have no purpose whatsoever.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

Oddly shaped rock formation, misassociated with a nearby utopian community.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

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

Legends surround this jagged rock formation in the New Mexico desert.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This interpretive path lets you get up close and personal with dinosaur bones.

Atop this arch, during the 16th-century, a sermon was given to those suffering from plague.

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

This bird-shaped rock formation defies gravity, time, and classification.

This clifftop arch is a natural stunner.

It's safe—and permitted—to walk across these twin natural sandstone arches.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

This rare surviving broch is one of Scotland's most impressive Bronze Age structures.

The stone-covered graves lie within the ruins of an Old West ghost town.

A little-known occurrence of fossil wood in northern Washoe County, Nevada, near the Black Rock Desert.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

A blunder resulted in these charming stone-lined streams becoming the target of a Nazi bombing.