Inside this mountain lies several kilometers of breathtaking caves.

The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.

Macabre astrological automaton clock dating to the late 1400s.

Rejoice at Amsterdam's ‘pop temple,’ a former church reborn as a raucous music venue.

Coins, pottery and an underground wunderkammer featuring a fossil of the species named after the collector behind it all.

This neighborhood was built in the golden age of Art-Decó, and its buildings are essential to understanding this style

The cathedral is not really remarkable except for the campanile with its astronomical clock and some amazing automatons which perform every day at noon

A memorial to the deadliest terror attack during an unsettled period of Italy’s recent history.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

An ancient Egyptian obelisk is now used to commemorate fallen Italian soldiers.

London’s first road overpass is so old that it was originally built for horse-drawn carriages.

A monument to a beloved aquatic folk hero in the Irish town of Dingle.

According to Greek mythology, this natural spring is the home of a freshwater nymph.

This church is dedicated to the patron saint of seafarers.

Public water fountains built during the Ottoman Era still stand throughout this seaside town.

This slumbering beast honors the Bavarian soldiers who died in Greece during a 19th-century typhoid outbreak.

Catch raucous live performances of traditional tunes at this old-school taverna.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

Legend says this sacred tree was a gift from goddess Athena.

Monasteries on rock pillars, once accessible only by frayed ropes.

The original home of the Caesar Salad.

This stately clock was gifted from China's last imperial government to the people of Mexico.

The hot chocolate here all stems from small, sustainable microproducers in Chiapas and Tabasco.

This old-school café is famous for serving coffee, chilaquiles, and the Cuban Revolution.