An artificial date palm stands as a memorial to Warsaw's Jewish community.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

The bones of two medieval royal lions were discovered at the historic fortress.

A heavenly experience, right here on Terra Firma.

Tiny horses tethered to antique rings are scattered around the city.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

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

This super steep hike ascends 2,000 feet in less than a mile.

A measuring mishap led to these artificial stone ladies losing their stomachs.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

This Welsh hotel is the spiritual home of the British 1953 Everest expedition, the first successful ascent of Mount Everest.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

A magnificent, long-abandoned castle built in the wake of the reconquest of Spain.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This floating sculpture of ice is a poignant reminder of nature's power.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.