A historic Christian shrine nestled within a spectacular natural cave.

Two large posteriors in one giant statue.

One of Africa's windiest and most scenic roads is a national symbol of Angola.

A Portuguese museum display features a bizarre assortment of objects.

One of the oldest universities in the world exhibits thousands of specimens from its 700-year-old collection.

This giant steel bear is a tribute to naturalist John Muir.

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

Extraordinary objects lurk in this quintessential regional museum.

These unusual rooms on wheels are holdovers from the 1960s.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The romance of early commercial flight still fills this Art Deco destination.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The only labyrinth within the city of Alexandria.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Vast stretch of tide-pools with a unique Moroccan charm.

Morocco's Argania trees are infested with nut-hungry goats.

Exploring the wilder, more passionate sibling of Erg Chebbi feels like discovering a secret sun-kissed planet from another galaxy.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

A fortified city, home to a remaining population of five families

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.