This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Olfactory delights in San Francisco's Botanical Gardens.

A beautiful geyser under environmental threat.

One of only two commuter aerial tramways in the United States.

This coffee shop lies hidden beneath a historic church.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

360° views of the city plus five floors of optical illusions and hands-on science.

Macabre astrological automaton clock dating to the late 1400s.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This 700-year-old street food market features baby octopus and soy donuts.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A layered tribute to the work of mosaicist Isaiah Zagar.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Elevated freight railway turned wildly successful urban park.

A bizarre house filled with an astounding array of collections.