A well-worn marker in a forgotten alleyway is all that remains of what had been one of Manhattan's most beautiful buildings.

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

With a history dating back to Victorian times, this architectural gem is a rare New York tourist haunt worth visiting.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

An ancient knight and a symbol of the city's freedom.

Gargoyle head that brings good luck.

Inside this mansion turned museum, the works of prominent Croatian artists are on full display.

Longest fortress system anywhere in Europe.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

Construction of this bridge was once described as an "act of violence" against a neighboring country.

When Croatia became independent of Yugoslavia, the splintering governments left behind these concrete tunnels.

The interior of this church has been turned into a memorial to locals who died in Croatia's Homeland War.

The local club's soccer field is practically surrounded by UNESCO-protected monuments.

This pedestrian bridge in Croatia is a sleek, ship-inspired design with a fun net and social spaces.

This ancient Roman aqueduct once funneled water to Diocletian's palace.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

Split's smallest church, and one of its oldest, has been reconstructed inside the city's Roman walls.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Once the tallest building in the world and the site of “the highest dinner ever held in New York” this building now holds the most expensive penthouse in the city.

Once seen as a bit of an eyesore, this sculpture has become a staple of downtown Houston.

The largest underground pedestrian tunnel system in the U.S. mostly caters to the people working in the offices above, but provides a great, air-conditioned way to traverse the city.

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