This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

Look up from the busy streets to discover how time is kept!

The world's largest frame offers spectacular views of the city's past and present.

The cluster of igloo-like domes forms the remains of an ancient burial ground.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

Whitewashed mosque contains the world's largest carpet.

An ear-piercing buzzer calls lawmakers to a vote with a series of long and short rings to form coded messages.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

A mammoth pair of Civil War artillery guns abandoned out in the forest.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

Two massive rock outcroppings on the Oregon coastline.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

There are eight natural springs around town, each with a slightly different taste.

A celebrity from the late Cretaceous period.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.