An ancient and majestic fortress that played an integral role in Portugal's road to independence.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

This church on a Tohono O'Odham reservation has stood since 1797.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

Rumors persist that a bottle of whiskey is sealed within this Demijohn-shaped adornment.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

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

A secret rendezvous spot where John S. Mosby and his Rangers would meet to divvy up their loot after raids.

A remarkable feat of Victorian engineering across the Firth of Forth.

This statue honors the author's groundbreaking family story.

The burial ground of two kings and a queen is now a calm city park in the middle of bustling Seoul.

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

A stuffed, prize-winning ram is all that remains of a world-renowned stud line, and a reminder of its owner's gruesome end.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

This former Cold War missile control site played an important role in the creation of GPS.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

A historic, reportedly haunted pub that provided inspiration for several famous adventure novels.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

The most beautiful Taco Bell in the world even has surfboard parking.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The record holder for the world’s largest peach.