This large garden vase urn has nothing to do with the seventh U.S. President—it was designed by one landscape designer to honor another landscape designer's contributions to the National Mall.

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

The accidental discovery of this gilt bronze head led archaeologists to find the Roman Baths in the city of Bath

A gift from Japan, 17th-century lantern stands among the cherry trees at D.C.'s Tidal Basin.

A glimpse of the Pacific Northwest‘s indigenous culture in Washington, D.C.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

A cluttered and astounding collection of antiquities and curiosities.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

This fountain was designed to honor the man who helped bring water to Barcelona.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

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

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

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

This historic fort spans more the 300 years.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

The National Park Service’s best-kept secret with views that rival any in D.C.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.